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Key Holding Service - Rapid Alarm Response London



Since 2016 as part of our security services offering, Fahrenheit Security has been providing key holding and alarm response services.

Our alarm response keyholding service involve our fully trained SIA licensed mobile patrols keeping a set of keys to your home or business in a secure safe ready to respond to alarm activation's.

In addition to responding to alarms, you may call upon us for our key holders to give you access to your property should you ever be without your key or have it lost or stolen, or even to provide access to a contractor or facilitate other third party access visits. We can also conduct mobile patrols and void property inspections.

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What benefits can you expect using a professional London key holding company over your own staff?

Key holders are the first to be alerted to an alarm and respond to a possible intrusion. Due to the associated risk and potential insurance liabilities this role does carry, it may not be ideal to put this responsibility on to an employee.

Keyholding companies such as Fahrenheit Security are equipped with trained SIA licensed personnel, ready to be despatched in the event of an alarm system sounding. An alarm response service that provides a professional, responsible and accountable service to your home or business premises to deal with a potential security breach and is fully insured to do so will help give you complete peace of mind.

Obviously a 5 star alarm response service comes at a price, but for the assurance that your in safe hands no matter what time of night it is really worth the money.

Fahrenheit Security take the worry out of attending an alarm with our rapid response alarm response security services in London.

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What are the typical responsibilities of a keyholder in London?

Keyholders are normally responsible for the opening and closing of a premises each working day. At the start of the day, they will be expected to walk through the property, deactivate the intruder alarm and switch on the lights and heating, doing the same in reverse at the end of the day.


It is the responsibility of the keyholder to ensure the premises are safe and secure before closing down for the night, weekend or any other period when the building is locked and alarmed.


Keyholders are also responsible to ensure the keys are safe. This is a 24/7 responsibility which must be taken seriously. They will also need to know the security codes for the alarms.



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In high risk commercial premises such as jewellery or watch boutiques, it is good practise for two people to open and close. One to know the alarm codes and the other to be the key holder. That way would be criminals targeting the store won't be able to get in without either forcing entry or not knowing the alarm codes. Either way the alarm will be triggered and alert will be send to the keyholding and alarm response provider.

As the keyholder will have detailed knowledge of the site they are expected to act as an emergency contact whilst on site and liaise with the alarm receiving centre and Police as required upon attendance.

During late night or early morning call outs it will be the keyholder to ensure the property is secure if there has been a break-in or attempted break-in by carrying out security checks, and arranging the necessary locksmiths and tradespeople to make the property safe and prevent further any unauthorised entry in the mean-time.

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What are the desired qualities of a reliable keyholder in London?

If you are looking to selecting a key holder in-house rather than outsourcing then you need to consider the following factors.

Due to the amount of responsibility involved in being a keyholder, it is necessary when choosing someone to undertake the role that the selected person is going to be normally available and contactable outside of business hours and they live nearby and/or have the necessary means of transport to respond in a timely manner.

A key holder needs to be able to think on their feet and make critical decisions. Therefore you need someone who will be comfortable operating with autonomy.

It can be difficult to find a person with the right qualities if they haven't been recruited specifically for a key holding position. You wouldn't hire a cleaner and expect them to be able to do security or visa versa.

This is exactly why many businesses engage a keyholding service company, because their personnel have been selected and trained for that very role.

The security team delivering the key holding services hold the relevant SIA License to undertake the activity at client premises, a must-have for anyone working or supplying operatives under a contract for services when keeping custody of, or controlling access to, any key or similar device for operating any lock.

Remember if you deal with keyholding internally within your company then if staff leave you'll have the expense and hassle of changing the locks as well as finding a new key holder! Staff sabotage is not something that should be underestimated as sometimes employees can leave on bad terms.

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24 hour London alarm response specialists

The trained professional 's at the 24hr control centre will take your nominated alarm monitoring and receiving centre's intruder alarm activations call and immediately dispatch the nearest mobile response driver to attend the premises and investigate.

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How does the London key holding and alarm response service work?

The business or home is locked and alarmed.. then the alarm there sounds. Here’s what happens:

Firstly, the alarm monitoring station is alerted as to the type of alarm activation it is. If it is a confirmed activation

Your appointed alarm monitoring station alerts the nominated 24hr control centre team.

We dispatch the best placed mobile security guards for a fast response to attend the property, assess the situation, and if needed, request emergency services and notify the as per our pre-agreed guidelines on “what to do upon attendance”. 

We get things sorted, we arrange for an emergency guard to be in place until the property can be secured. We send out a full report of the incident and of the actions we’ve taken. Contact Fahrenheit Security for key holding security guards service.

Monitoring Room


What types of intruder activations are there?

Here is what reaction you can expect when your intruder alarm signals to your monitoring station.

  1. Unconfirmed Intruder Alarm - Your alarm response security company will be contacted by your alarm monitoring centre and requested to attend.

  2. Confirmed Intruder Alarm when closed within re-arm period or audio or visual verification - Police attendance will be required and your key holding company will be contacted by your alarm monitoring centre and requested to attend.

  3. Confirmed Intruder Alarm when open - Your key holding company will be contacted by your alarm monitoring centre and they will contact the homeowner or business owner to verify the response in case of false alarms before attending.

  4. Unconfirmed Intruder alarm followed by an Open or Abort signal - No action taken

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How will the rapid response security driver know my site?

When collecting your keys we put together a detailed response plan and risk assessment for the services in the form of assignment instructions. These key holding and alarm response instructions will be tailored for your site and be in possession of the control room operative who will talk through the procedure and share the open, patrolling, lock up and other security requirements upon attendance.


The picture guide walkthrough is self explanatory and is a real benefit when navigating around the building for the first time. We will also have your nominated contractors to contact should emergency repairs be necessary.

How much does Key Holding & Alarm Response Service Cost?

Typically the average homeowner can look to pay £400 per annum + £40 per call out for a keyholding and alarm response service.

Businesses in London can expect to pay a reasonable price of £500 per annum + £40 per call out for alarm response services delivered by an SIA approved contractor status company.

When you break this down per day it is a very reasonable sum of money to part with to sleep easy at night or not worry about your property when you are on holiday.

Home Security System


Area our fast response highly visible key guards services cover

We currently provide mobile security Central London, Greater London, South London, East London, North London, West London, South East responding to break ins.

Professional keyholding services in London

We will send a trained, SIA licensed security guards to your alarm activations. This approach lowers your liability by ensuring your staff’s wellbeing by not exposing them to risk and can save on lost time at work. You can submit your interest in our key guards and would like to request a free quote on e mail or call us on 02074095291.

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  • What is a corporate security service?
    Corporate security guards will present a professional front of house experience and help your visitors and staff operate in a safe secure environment. Corporate security officers will protect both your business, valuable assets and staff.
  • What is a front of house security?
    Front of a house security will keep a physical presence in your reception area ensuring it is both safe and secure. Front of house security staff will direct visitors and accompany them to their destination, handle deliveries and conduct telephonic and electronic administrative duties as required.
  • What are the types of office security?
    Office security consists of protecting your premises and employees from physical abuse, vandalism, theft, and personal attacks; and protecting your business from corporate espionage both internally and externally.
  • What do corporate security professionals do?
    A Corporate Security Officer ensures that the properties they are paid to protect are safe and secure such as technology companies, blue chip organisations and banks.
  • Why is a security guard service necessary for corporate businesses?
    Corporate businesses need a security guard service to provide surveillance, emergency response and customer service to deter criminal activity that may hinder normal business operations, such as vandalism, sabotage or theft.
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